> ## Documentation Index
> Fetch the complete documentation index at: https://nango.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Explore APIs & integrations

> [!NOTE]
>
> Nango is the leading provider of **API access for AI agents & apps**. It is designed for developers building integrations for their users, with full flexibility.

> [card] [All APIs & integrations](https://www.nango.dev/api-integrations)
>
> 1,000+ APIs & 10,000+ pre-built tools.

> [card] [Request or contribute a new API](https://nango.dev/docs/integrations/contribute-or-request-api.md)
>
> We deliver them in \<48h.

> [card] [Build custom integrations](https://nango.dev/docs/guides/functions/functions-guide.md#guide)
>
> It's fast & easy.


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